int setenv (char *varname, char *varvalue);
long simple_strtol(const char *cp,char **endp,unsigned int base);
int strcmp(const char * cs,const char * ct);
+int ustrtoul(const char *cp, char **endp, unsigned int base);
#ifdef CONFIG_HAS_UID
void forceenv (char *varname, char *varvalue);
#endif